EP0856768A3 - Dispositif d'affichage réflectif à bande large et son procédé de fabrication - Google Patents
Dispositif d'affichage réflectif à bande large et son procédé de fabrication Download PDFInfo
- Publication number
- EP0856768A3 EP0856768A3 EP98300541A EP98300541A EP0856768A3 EP 0856768 A3 EP0856768 A3 EP 0856768A3 EP 98300541 A EP98300541 A EP 98300541A EP 98300541 A EP98300541 A EP 98300541A EP 0856768 A3 EP0856768 A3 EP 0856768A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflective display
- broadband reflective
- methods
- forming
- same
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 238000002310 reflectometry Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
- G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Holo Graphy (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US792269 | 1985-10-28 | ||
| US08/792,269 US5875012A (en) | 1997-01-31 | 1997-01-31 | Broadband reflective display, and methods of forming the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0856768A2 EP0856768A2 (fr) | 1998-08-05 |
| EP0856768A3 true EP0856768A3 (fr) | 1999-08-11 |
| EP0856768B1 EP0856768B1 (fr) | 2007-09-05 |
Family
ID=25156314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98300541A Expired - Lifetime EP0856768B1 (fr) | 1997-01-31 | 1998-01-27 | Dispositif d'affichage réflectif à bande large et son procédé de fabrication |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5875012A (fr) |
| EP (1) | EP0856768B1 (fr) |
| JP (2) | JP4638965B2 (fr) |
| DE (1) | DE69838357T2 (fr) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6339486B1 (en) | 1998-10-16 | 2002-01-15 | Digilens, Inc. | Holographic technique for illumination of image displays using ambient illumination |
| US6407724B2 (en) | 1996-03-15 | 2002-06-18 | Digilens, Inc. | Method of and apparatus for viewing an image |
| US6421109B1 (en) | 1998-10-16 | 2002-07-16 | Digilens, Inc. | Method and system for display resolution multiplication |
| US6424437B1 (en) | 2000-10-10 | 2002-07-23 | Digilens, Inc. | Projection display employing switchable holographic optical elements |
| US6504629B1 (en) | 1999-03-23 | 2003-01-07 | Digilens, Inc. | Method and apparatus for illuminating a display |
| US6507419B1 (en) | 1999-03-23 | 2003-01-14 | Digilens, Inc. | Illumination system using optical feedback |
| US6678078B1 (en) | 1999-01-07 | 2004-01-13 | Digilens, Inc. | Optical filter employing holographic optical elements and image generating system incorporating the optical filter |
| US7612859B2 (en) | 2005-10-31 | 2009-11-03 | Hewlett-Packard Development Company, L.P. | Ultra-violet radiation absorbing grid |
Families Citing this family (99)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2776351B2 (ja) * | 1995-12-21 | 1998-07-16 | 日本電気株式会社 | 表示装置およびその製造方法 |
| US5942157A (en) | 1996-07-12 | 1999-08-24 | Science Applications International Corporation | Switchable volume hologram materials and devices |
| US7312906B2 (en) * | 1996-07-12 | 2007-12-25 | Science Applications International Corporation | Switchable polymer-dispersed liquid crystal optical elements |
| US6867888B2 (en) * | 1996-07-12 | 2005-03-15 | Science Applications International Corporation | Switchable polymer-dispersed liquid crystal optical elements |
| US7077984B1 (en) | 1996-07-12 | 2006-07-18 | Science Applications International Corporation | Electrically switchable polymer-dispersed liquid crystal materials |
| US6821457B1 (en) | 1998-07-29 | 2004-11-23 | Science Applications International Corporation | Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects |
| US6034752A (en) * | 1997-03-22 | 2000-03-07 | Kent Displays Incorporated | Display device reflecting visible and infrared radiation |
| JP3591699B2 (ja) * | 1997-10-09 | 2004-11-24 | 日東電工株式会社 | 偏光素子、光学素子、照明装置及び液晶表示装置 |
| USRE38500E1 (en) | 1997-10-09 | 2004-04-20 | Nitto Denko Corporation | Polarizer, optical element, lighting device and liquid crystal display |
| JPH11133412A (ja) * | 1997-10-29 | 1999-05-21 | Nitto Denko Corp | 液晶素子、光学素子及び偏光素子 |
| US6175431B1 (en) * | 1999-07-09 | 2001-01-16 | Digilens, Inc. | Projection systems based on reconfigurable holographic optics |
| EP1114340A1 (fr) | 1998-09-14 | 2001-07-11 | Digilens Inc. | Systeme d'eclairage holographique et systeme de projection holographique |
| US6317189B1 (en) * | 1998-12-29 | 2001-11-13 | Xerox Corporation | High-efficiency reflective liquid crystal display |
| US6166800A (en) * | 1998-12-29 | 2000-12-26 | Xerox Corporation | Solid-state image capture system including H-PDLC color separation element |
| US6525847B2 (en) | 1999-06-16 | 2003-02-25 | Digilens, Inc. | Three dimensional projection systems based on switchable holographic optics |
| US6781666B2 (en) | 1999-07-16 | 2004-08-24 | Minolta Co., Ltd. | Liquid crystal display and method to manufacture the same |
| US6538775B1 (en) * | 1999-09-16 | 2003-03-25 | Reveo, Inc. | Holographically-formed polymer dispersed liquid crystals with multiple gratings |
| US6346977B1 (en) | 1999-09-28 | 2002-02-12 | Sharp Laboratories Of America, Inc. | Reflective liquid crystal display panel with diffraction grating between pixel electrodes |
| US6730442B1 (en) | 2000-05-24 | 2004-05-04 | Science Applications International Corporation | System and method for replicating volume holograms |
| US6778236B1 (en) | 2000-06-01 | 2004-08-17 | Reveo, Inc. | Reflective liquid crystal strain gauge with aspected particles and polarization-sensitive devices |
| US6356323B1 (en) * | 2000-08-11 | 2002-03-12 | Eastman Kodak Company | Color display using cholesteric liquid crystals |
| US6885414B1 (en) * | 2000-09-29 | 2005-04-26 | Kent Optronics, Inc. | Optical router switch array and method for manufacture |
| WO2002048801A1 (fr) * | 2000-12-15 | 2002-06-20 | Digilens Inc. | Dispositif holographique commutable |
| US6712121B2 (en) * | 2001-10-12 | 2004-03-30 | Kimberly-Clark Worldwide, Inc. | Antimicrobially-treated fabrics |
| US20050231800A1 (en) * | 2001-12-21 | 2005-10-20 | Barret Lippey | Selective reflecting |
| US6847483B2 (en) * | 2001-12-21 | 2005-01-25 | Bose Corporation | Selective reflecting |
| US7515336B2 (en) * | 2001-12-21 | 2009-04-07 | Bose Corporation | Selective reflecting |
| US7520624B2 (en) | 2001-12-21 | 2009-04-21 | Bose Corporation | Light enhancing |
| US7619739B1 (en) | 2002-08-29 | 2009-11-17 | Science Applications International Corporation | Detection and identification of biological agents using Bragg filters |
| KR100463527B1 (ko) * | 2002-09-17 | 2004-12-29 | 엘지전자 주식회사 | 홀로그램 패턴 액정을 이용한 평판 표시 소자 |
| JP2004158160A (ja) * | 2002-11-08 | 2004-06-03 | Citizen Watch Co Ltd | ディスク駆動装置 |
| US7018563B1 (en) | 2002-11-26 | 2006-03-28 | Science Applications International Corporation | Tailoring material composition for optimization of application-specific switchable holograms |
| US6950173B1 (en) | 2003-04-08 | 2005-09-27 | Science Applications International Corporation | Optimizing performance parameters for switchable polymer dispersed liquid crystal optical elements |
| US7382424B2 (en) * | 2003-11-21 | 2008-06-03 | Industrial Technology Research Institute | Reflective chiral-nematic liquid crystal display with broadband reflection |
| US8199086B2 (en) * | 2004-01-28 | 2012-06-12 | Kent Displays Incorporated | Stacked color photodisplay |
| US20060066803A1 (en) * | 2004-09-30 | 2006-03-30 | Aylward Peter T | Substrate free flexible liquid crystal displays |
| US7517091B2 (en) * | 2005-05-12 | 2009-04-14 | Bose Corporation | Color gamut improvement in presence of ambient light |
| US7876400B2 (en) | 2005-10-31 | 2011-01-25 | Hewlett-Packard Development Company, L.P. | Optical modulation system |
| GB0522968D0 (en) | 2005-11-11 | 2005-12-21 | Popovich Milan M | Holographic illumination device |
| US7570404B2 (en) * | 2006-03-16 | 2009-08-04 | Jabil Circuit, Inc. | Multi-state optical switch and combiner for use in a light engine and image presentation device using the same |
| GB0718706D0 (en) | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
| US8081368B2 (en) * | 2007-03-29 | 2011-12-20 | Bose Corporation | Selective absorbing |
| US7710645B2 (en) * | 2007-06-29 | 2010-05-04 | Bose Corporation | Selective reflecting for laser projector |
| WO2010062479A1 (fr) | 2008-11-02 | 2010-06-03 | David Chaum | Système et appareil pour plateforme de dispositif de lunettes |
| WO2012037445A2 (fr) | 2010-09-17 | 2012-03-22 | Drexel University | Nouvelles applications pour carbone alliforme |
| US9625878B2 (en) * | 2009-03-10 | 2017-04-18 | Drexel University | Dynamic time multiplexing fabrication of holographic polymer dispersed liquid crystals for increased wavelength sensitivity |
| WO2012058652A2 (fr) | 2010-10-29 | 2012-05-03 | Drexel University | Empilement de filtre électrooptique accordable |
| US11726332B2 (en) | 2009-04-27 | 2023-08-15 | Digilens Inc. | Diffractive projection apparatus |
| US9335604B2 (en) | 2013-12-11 | 2016-05-10 | Milan Momcilo Popovich | Holographic waveguide display |
| WO2011042711A2 (fr) | 2009-10-09 | 2011-04-14 | Milan Momcilo Popovich | Dispositif d'affichage à diffraction éclairé par la tranche compact |
| US11204540B2 (en) | 2009-10-09 | 2021-12-21 | Digilens Inc. | Diffractive waveguide providing a retinal image |
| US9274349B2 (en) | 2011-04-07 | 2016-03-01 | Digilens Inc. | Laser despeckler based on angular diversity |
| KR101853790B1 (ko) | 2011-08-05 | 2018-05-03 | 삼성전자주식회사 | 전기 변색 소자 |
| EP2748670B1 (fr) | 2011-08-24 | 2015-11-18 | Rockwell Collins, Inc. | Affichage de données portable |
| WO2016020630A2 (fr) | 2014-08-08 | 2016-02-11 | Milan Momcilo Popovich | Illuminateur laser en guide d'ondes comprenant un dispositif de déchatoiement |
| US10670876B2 (en) | 2011-08-24 | 2020-06-02 | Digilens Inc. | Waveguide laser illuminator incorporating a despeckler |
| US20150010265A1 (en) | 2012-01-06 | 2015-01-08 | Milan, Momcilo POPOVICH | Contact image sensor using switchable bragg gratings |
| US9429787B2 (en) * | 2012-02-29 | 2016-08-30 | Boe Technology Group Co., Ltd. | Transparent display unit |
| KR101884839B1 (ko) | 2012-04-06 | 2018-08-02 | 삼성전자주식회사 | 반사형 컬러 표시 소자 |
| CN103562802B (zh) | 2012-04-25 | 2016-08-17 | 罗克韦尔柯林斯公司 | 全息广角显示器 |
| US9456744B2 (en) | 2012-05-11 | 2016-10-04 | Digilens, Inc. | Apparatus for eye tracking |
| WO2014031557A1 (fr) * | 2012-08-20 | 2014-02-27 | Drexel University | Système d'imagerie à champ lumineux multispectral pouvant être focalisé dynamiquement |
| US9933684B2 (en) * | 2012-11-16 | 2018-04-03 | Rockwell Collins, Inc. | Transparent waveguide display providing upper and lower fields of view having a specific light output aperture configuration |
| WO2014188149A1 (fr) | 2013-05-20 | 2014-11-27 | Milan Momcilo Popovich | Dispositif holographique de suivi d'un œil à guide d'onde |
| WO2015015138A1 (fr) | 2013-07-31 | 2015-02-05 | Milan Momcilo Popovich | Méthode et appareil de détection d'une image par contact |
| US10359736B2 (en) | 2014-08-08 | 2019-07-23 | Digilens Inc. | Method for holographic mastering and replication |
| WO2016042283A1 (fr) | 2014-09-19 | 2016-03-24 | Milan Momcilo Popovich | Procédé et appareil de production d'images d'entrée pour affichages à guides d'ondes holographiques |
| WO2016046514A1 (fr) | 2014-09-26 | 2016-03-31 | LOKOVIC, Kimberly, Sun | Dispositif de poursuite optique à guide d'ondes holographique |
| EP3245444B1 (fr) | 2015-01-12 | 2021-09-08 | DigiLens Inc. | Affichage à guide d'ondes isolé de l'environnement |
| EP3245551B1 (fr) | 2015-01-12 | 2019-09-18 | DigiLens Inc. | Afficheurs à champ lumineux et à guide d'ondes |
| JP6867947B2 (ja) | 2015-01-20 | 2021-05-12 | ディジレンズ インコーポレイテッド | ホログラフィック導波路ライダー |
| US9632226B2 (en) | 2015-02-12 | 2017-04-25 | Digilens Inc. | Waveguide grating device |
| US10459145B2 (en) | 2015-03-16 | 2019-10-29 | Digilens Inc. | Waveguide device incorporating a light pipe |
| US10591756B2 (en) | 2015-03-31 | 2020-03-17 | Digilens Inc. | Method and apparatus for contact image sensing |
| JP6598269B2 (ja) | 2015-10-05 | 2019-10-30 | ディジレンズ インコーポレイテッド | 導波管ディスプレイ |
| CN109073889B (zh) | 2016-02-04 | 2021-04-27 | 迪吉伦斯公司 | 全息波导光学跟踪器 |
| WO2017162999A1 (fr) | 2016-03-24 | 2017-09-28 | Popovich Milan Momcilo | Procédé et appareil pour fournir un dispositif guide d'ondes holographique sélectif en polarisation |
| US10890707B2 (en) | 2016-04-11 | 2021-01-12 | Digilens Inc. | Holographic waveguide apparatus for structured light projection |
| US11513350B2 (en) | 2016-12-02 | 2022-11-29 | Digilens Inc. | Waveguide device with uniform output illumination |
| WO2018129398A1 (fr) | 2017-01-05 | 2018-07-12 | Digilens, Inc. | Dispositifs d'affichage tête haute vestimentaires |
| EP3698214A4 (fr) | 2017-10-16 | 2021-10-27 | Digilens Inc. | Systèmes et procédés de multiplication de la résolution d'image d'un affichage pixélisé |
| US20190212699A1 (en) | 2018-01-08 | 2019-07-11 | Digilens, Inc. | Methods for Fabricating Optical Waveguides |
| CN115356905B (zh) | 2018-01-08 | 2025-05-09 | 迪吉伦斯公司 | 波导单元格中全息光栅高吞吐量记录的系统和方法 |
| EP3710876A4 (fr) | 2018-01-08 | 2022-02-09 | DigiLens Inc. | Systèmes et procédés de fabrication de cellules de guide d'ondes |
| US10914950B2 (en) | 2018-01-08 | 2021-02-09 | Digilens Inc. | Waveguide architectures and related methods of manufacturing |
| CN119471906A (zh) | 2018-03-16 | 2025-02-18 | 迪吉伦斯公司 | 包含双折射控制的全息波导及用于它们的制造的方法 |
| WO2020023779A1 (fr) | 2018-07-25 | 2020-01-30 | Digilens Inc. | Systèmes et procédés pour fabriquer une structure optique multicouches |
| TWI668505B (zh) * | 2018-08-28 | 2019-08-11 | 國立清華大學 | 液晶光電裝置及液晶光電裝置的製造方法 |
| WO2020149956A1 (fr) | 2019-01-14 | 2020-07-23 | Digilens Inc. | Affichage de guide d'ondes holographique avec couche de commande de lumière |
| WO2020163524A1 (fr) | 2019-02-05 | 2020-08-13 | Digilens Inc. | Procédés de compensation de non-uniformité de surface optique |
| US20220283377A1 (en) | 2019-02-15 | 2022-09-08 | Digilens Inc. | Wide Angle Waveguide Display |
| EP3924759B1 (fr) | 2019-02-15 | 2025-07-30 | Digilens Inc. | Procédés et appareils pour fournir un affichage de guide d'ondes holographique à l'aide de réseaux intégrés |
| JP2022525165A (ja) | 2019-03-12 | 2022-05-11 | ディジレンズ インコーポレイテッド | ホログラフィック導波管バックライトおよび関連する製造方法 |
| US20200386947A1 (en) | 2019-06-07 | 2020-12-10 | Digilens Inc. | Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing |
| WO2021021926A1 (fr) | 2019-07-29 | 2021-02-04 | Digilens Inc. | Procédés et appareils de multiplication de la résolution d'image et du champ de vision d'un écran d'affichage pixélisé |
| EP4022370B1 (fr) | 2019-08-29 | 2025-12-03 | Digilens Inc. | Méthode de fabrication d'un réseau de relief de surface profond |
| JP2024502255A (ja) | 2020-12-21 | 2024-01-18 | ディジレンズ インコーポレイテッド | 導波路ベースのディスプレイにおけるアイグロー抑制 |
| WO2022150841A1 (fr) | 2021-01-07 | 2022-07-14 | Digilens Inc. | Structures de réseau pour guides d'ondes de couleur |
| EP4288831A4 (fr) | 2021-03-05 | 2025-01-15 | Digilens Inc. | Structures périodiques évacuées et leurs procédés de fabrication |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992019695A2 (fr) * | 1991-05-02 | 1992-11-12 | Kent State University | Dispositif et materiau modulateurs de lumiere a cristaux liquides |
| WO1998004650A1 (fr) * | 1996-07-12 | 1998-02-05 | Science Applications International Corporation | Matieres d'hologrammes volumiques commutables et dispositifs |
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| US4952033A (en) * | 1987-07-13 | 1990-08-28 | James L. Fergason | Liquid crystal medical device |
| GB8922415D0 (en) * | 1989-10-05 | 1989-11-22 | Emi Plc Thorn | A screen and projector for use in a front projection system |
| US5113272A (en) * | 1990-02-12 | 1992-05-12 | Raychem Corporation | Three dimensional semiconductor display using liquid crystal |
| JP3105311B2 (ja) * | 1991-10-08 | 2000-10-30 | 株式会社半導体エネルギー研究所 | 液晶電気光学装置およびその作製方法 |
| JP2672055B2 (ja) * | 1992-05-08 | 1997-11-05 | 信幸 山村 | 液晶表示素子とその製造方法及びこれを使用する表示装置 |
| KR100230354B1 (ko) * | 1992-11-26 | 1999-11-15 | 윤종용 | 광산란형 액정 표시 장치의 제조 방법 |
| US5751452A (en) * | 1993-02-22 | 1998-05-12 | Nippon Telegraph And Telephone Corporation | Optical devices with high polymer material and method of forming the same |
-
1997
- 1997-01-31 US US08/792,269 patent/US5875012A/en not_active Expired - Lifetime
-
1998
- 1998-01-27 DE DE69838357T patent/DE69838357T2/de not_active Expired - Lifetime
- 1998-01-27 EP EP98300541A patent/EP0856768B1/fr not_active Expired - Lifetime
- 1998-01-29 JP JP01630198A patent/JP4638965B2/ja not_active Expired - Lifetime
-
2009
- 2009-01-14 JP JP2009005633A patent/JP2009075624A/ja not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992019695A2 (fr) * | 1991-05-02 | 1992-11-12 | Kent State University | Dispositif et materiau modulateurs de lumiere a cristaux liquides |
| WO1998004650A1 (fr) * | 1996-07-12 | 1998-02-05 | Science Applications International Corporation | Matieres d'hologrammes volumiques commutables et dispositifs |
Non-Patent Citations (2)
| Title |
|---|
| CRAWFORD G P ET AL: "REFLECTIVE COLOR DISPLAYS FOR IMAGING APPLICATIONS", FINAL PROGRAM AND PROCEEDINGS OF THE IS&T/SID COLOR IMAGING CONFERENCE: COLOR SCIENCE, SYSTEMS, AND APPLICATIONS, 7 November 1995 (1995-11-07), pages 52 - 58, XP000603856 * |
| KATO K ET AL: "Color image formation using polymer-dispersed cholesteric liquid crystal", JAPANESE JOURNAL OF APPLIED PHYSICS, PART 1 (REGULAR PAPERS & SHORT NOTES), OCT. 1993, JAPAN, vol. 32, no. 10, ISSN 0021-4922, pages 4600 - 4604, XP002105780 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6407724B2 (en) | 1996-03-15 | 2002-06-18 | Digilens, Inc. | Method of and apparatus for viewing an image |
| US6339486B1 (en) | 1998-10-16 | 2002-01-15 | Digilens, Inc. | Holographic technique for illumination of image displays using ambient illumination |
| US6421109B1 (en) | 1998-10-16 | 2002-07-16 | Digilens, Inc. | Method and system for display resolution multiplication |
| US6678078B1 (en) | 1999-01-07 | 2004-01-13 | Digilens, Inc. | Optical filter employing holographic optical elements and image generating system incorporating the optical filter |
| US6504629B1 (en) | 1999-03-23 | 2003-01-07 | Digilens, Inc. | Method and apparatus for illuminating a display |
| US6507419B1 (en) | 1999-03-23 | 2003-01-14 | Digilens, Inc. | Illumination system using optical feedback |
| US6424437B1 (en) | 2000-10-10 | 2002-07-23 | Digilens, Inc. | Projection display employing switchable holographic optical elements |
| US7612859B2 (en) | 2005-10-31 | 2009-11-03 | Hewlett-Packard Development Company, L.P. | Ultra-violet radiation absorbing grid |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4638965B2 (ja) | 2011-02-23 |
| DE69838357D1 (de) | 2007-10-18 |
| DE69838357T2 (de) | 2008-05-29 |
| US5875012A (en) | 1999-02-23 |
| JP2009075624A (ja) | 2009-04-09 |
| EP0856768B1 (fr) | 2007-09-05 |
| EP0856768A2 (fr) | 1998-08-05 |
| JPH10221679A (ja) | 1998-08-21 |
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